CVE-2020-12030 Emerson WirelessHART Gateway

Critical 10.0 Published 29 Sep 2021 Updated 4 Aug 2024

Enabling VLAN disables the internal firewall, exposing all gateway ports to potential attackers in industrial control environments.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-12030?

CVE-2020-12030 is a critical vulnerability in Emerson Wireless 1410 Gateway, published on 29 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a flaw in the code used to configure the internal gateway firewall when the gateway's VLAN feature is enabled. If a user enables the VLAN setting, the internal gateway firewall becomes disabled resulting in exposure of all ports used by the gateway.

Weakness: CWE-284

Which versions are affected by CVE-2020-12030?

It affects 3 products.

Products include Emerson Wireless 1410 Gateway Firmware, Emerson Wireless 1420 Gateway Firmware, Emerson Wireless 1552wu Gateway Firmware.

How do I fix CVE-2020-12030?

No fix has been published for CVE-2020-12030 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-12030 being exploited?

There is no known exploitation of CVE-2020-12030 in the wild and no public exploit code.

Sources

Also known as GHSA-9pm2-889q-rpr2.